[英]write csv file with special format in python
每個人。 我有一些類似以下的數據:
數據= [['234','123','145','134','156'],['12','67895','12345','1234']]
我想以“ aid,pid”作為列標題的方式將這些數據寫入csv文件。 每個子列表的第一個元素是“ aid”列,其余的是“ pid”。現在,我想用如下所示的制表符輸入pid。
aid,pid
234,123 145 134 156
12,67895 12345 1234
這是我的示例代碼
import csv
data =[ ['234','123','145','134','156'],['12','67895','12345','1234'] ]
valid_result = open('./result/valid_result.csv','wb')
writer = csv.writer(valid_result,delimiter = ',',dialect = 'excel-tab')
header = ['aid','pid']
writer.writerow(header)
for record in data:
writer.writerow(record)
python中有什么解決方案嗎?
如果我理解正確,則需要將每個列表分為兩列:
for record in data:
new_rec = [record[0], " ".join(record[1:])]
應該這樣做,然后編寫new_rec而不是record。
用以下代碼替換您的for循環:
for record in data:
writer.writerow([record[0],'\t'.join(record[1:])])
您還必須通過valid_result.close()
關閉文件。
以下利用with
和open
來為您打開和關閉文件:
import csv
data =[ ['234','123','145','134','156'],['12','67895','12345','1234'] ]
with open('valid_result.csv','wb') as valid_result:
writer = csv.writer(valid_result,delimiter = ',',dialect = 'excel-tab')
header = ['aid','pid']
writer.writerow(header)
for record in data:
writer.writerow([record[0],'\t'.join(record[1:])])
兩者都會產生:
aid,pid
234,123 145 134 156
12,67895 12345 1234
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